说明：  目标函数：运费补贴最少。 决策变量：8个基地到35个销售点每天的蔬菜运量。 约束条件：8个基地的供应量约束、35个销售点的需求约束、决策变量非负约束。
(The objective function is that the freight subsidy is the least. Decision variables: daily vegetable traffic from 8 bases to 35 outlets. Constraints: supply constraints of 8 bases, demand constraints of 35 sales points, non-negative constraints of decision variables.)